1; RUN: opt -module-summary %s -o %t1.bc
2; RUN: opt -module-summary %p/Inputs/internalize.ll -o %t2.bc
3; Link in %t2.bc first to force its copy of @weak_func_nonprevailing as
4; prevailing the %t1.bc copy as non-prevailing.
5; RUN: llvm-lto -thinlto-action=thinlink -o %t.index.bc %t2.bc %t1.bc
6; RUN: llvm-lto -thinlto-action=internalize -thinlto-index %t.index.bc %t1.bc -o - | llvm-dis -o - | FileCheck %s --check-prefix=REGULAR
7; RUN: llvm-lto -thinlto-action=internalize -thinlto-index %t.index.bc %t1.bc -o -  --exported-symbol=_foo | llvm-dis -o - | FileCheck %s --check-prefix=INTERNALIZE
8
9; Test the enable-lto-internalization option by setting it to false.
10; This makes sure indices are not marked as internallinkage and therefore
11; internalization does not happen.
12; RUN: llvm-lto -thinlto-action=internalize -thinlto-index %t.index.bc %t1.bc \
13; RUN:          -enable-lto-internalization=false --exported-symbol=_foo
14; RUN: llvm-dis < %t1.bc.thinlto.internalized.bc | FileCheck %s --check-prefix=INTERNALIZE-OPTION-DISABLE
15
16; RUN: llvm-lto2 run %t1.bc -o %t.o -save-temps \
17; RUN:     -r=%t1.bc,_foo,pxl \
18; RUN:     -r=%t1.bc,_bar,pl \
19; RUN:     -r=%t1.bc,_linkonce_func,pl \
20; RUN:     -r=%t1.bc,_weak_func_prevailing,pl \
21; RUN:     -r=%t1.bc,_alias1,plx \
22; RUN:     -r=%t1.bc,_weak_func_nonprevailing,l
23; RUN: llvm-dis < %t.o.1.2.internalize.bc | FileCheck  %s --check-prefix=INTERNALIZE2
24
25; Test the enable-lto-internalization option by setting it to false.
26; This makes sure indices are not marked as internallinkage and therefore
27; internalization does not happen.
28; RUN: llvm-lto2 run %t1.bc -o %t.o -save-temps -enable-lto-internalization=false \
29; RUN:     -r=%t1.bc,_foo,pxl \
30; RUN:     -r=%t1.bc,_bar,pl \
31; RUN:     -r=%t1.bc,_linkonce_func,pl \
32; RUN:     -r=%t1.bc,_weak_func_prevailing,pl \
33; RUN:     -r=%t1.bc,_alias1,plx \
34; RUN:     -r=%t1.bc,_weak_func_nonprevailing,l
35; RUN: llvm-dis < %t.o.1.2.internalize.bc | FileCheck  %s --check-prefix=INTERNALIZE2-OPTION-DISABLE
36
37; REGULAR: define void @foo
38; REGULAR: define void @bar
39; REGULAR: define linkonce void @linkonce_func()
40; INTERNALIZE: define void @foo
41; INTERNALIZE: define internal void @bar
42; INTERNALIZE: define internal void @linkonce_func()
43; INTERNALIZE: define internal void @weak_func_prevailing()
44; INTERNALIZE: define weak void @weak_func_nonprevailing()
45; INTERNALIZE-OPTION-DISABLE: define void @foo
46; INTERNALIZE-OPTION-DISABLE: define void @bar
47; INTERNALIZE-OPTION-DISABLE: define weak void @linkonce_func()
48; INTERNALIZE-OPTION-DISABLE: define weak void @weak_func_prevailing()
49; INTERNALIZE-OPTION-DISABLE: define weak void @weak_func_nonprevailing()
50; INTERNALIZE2: define dso_local void @foo
51; INTERNALIZE2: define internal void @bar
52; INTERNALIZE2: define internal void @linkonce_func()
53; INTERNALIZE2: define internal void @weak_func_prevailing()
54; INTERNALIZE2: define weak dso_local void @weak_func_nonprevailing()
55; INTERNALIZE2-OPTION-DISABLE: define dso_local void @foo
56; INTERNALIZE2-OPTION-DISABLE: define dso_local void @bar
57; INTERNALIZE2-OPTION-DISABLE: define weak dso_local void @linkonce_func()
58; INTERNALIZE2-OPTION-DISABLE: define weak dso_local void @weak_func_prevailing()
59; INTERNALIZE2-OPTION-DISABLE: define weak dso_local void @weak_func_nonprevailing()
60
61target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
62target triple = "x86_64-apple-macosx10.11.0"
63
64define void @foo() {
65    call void @bar()
66    ret void
67}
68define void @bar() {
69    call void @linkonce_func()
70    call void @weak_func_prevailing()
71    call void @weak_func_nonprevailing()
72	ret void
73}
74define linkonce void @linkonce_func() {
75    ret void
76}
77define weak void @weak_func_prevailing() {
78    ret void
79}
80; Make @weak_func_nonprevailing an aliasee to ensure it is still marked
81; live and kept as a definition even when non-prevailing. We want to ensure
82; this definition is not internalized.
83@alias1 = hidden alias void (), void ()* @weak_func_nonprevailing
84define weak void @weak_func_nonprevailing() {
85    ret void
86}
87